Add corner case tests for diff-index and diff-files

diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index 97faaa1d3a9d8c7025ab33c3126ba10e4c5ed708..a97f0557f4aa6cf1d795470d7bbe94ce35abc56a 100644 (file)
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -75,9 +75,11 @@ OPTIONS
 -n::
        Prefix the line number to matching lines.
 
--l | --files-with-matches | -L | --files-without-match::
+-l | --files-with-matches | --name-only | -L | --files-without-match::
        Instead of showing every matched line, show only the
        names of files that contain (or do not contain) matches.
+       For better compatibility with git-diff, --name-only is a
+       synonym for --files-with-matches.
 
 -c | --count::
        Instead of showing every matched line, show the number of
@@ -143,4 +145,4 @@ Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
 
 GIT
 ---
-Part of the gitlink:git[7] suite
+Part of the linkgit:git[7] suite